| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Ara |
| Right ascension | 17h 26m 00.0437s |
| Declination | -50° 38′ 0.635″ |
| Apparent magnitude (V) | 5.204 |
| Characteristics | |
| Spectral type | G8III |
| B−V color index | 1.06 |
| Astrometry | |
| Radial velocity (Rv) | 17.3 km/s |
| Proper motion (μ) | RA: 15.8 mas/yr Dec.: 9.18 mas/yr |
| Parallax (π) | 8.19 ± 0.88 mas |
| Distance | approx. 400 ly (approx. 120 pc) |
| Absolute magnitude (MV) | 6.243 |
| Details | |
| Mass | 1.1 M☉ |
| Radius | 1.1 R☉ |
| Luminosity | 1.2 L☉ |
| Temperature | 5,000–6,000 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
| Database references | |
| SIMBAD | data |
Kappa Arae (κ Ara, κ Arae) is a double star in the constellation Ara. It is approximately 398 light years from Earth. The more luminous star is a yellow G-type giant with an apparent magnitude of +5.19. It has two 14th magnitude companions that are at an angular distance of 25 and 30 arcseconds.
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